Influenza (flu) is a viral infection affecting the lungs and airways. The symptoms can appear very quickly and include:
- headache
- fever
- cough
- sore throat
- aching muscles
- joints
Complications include bacterial pneumonia, and can be life threatening especially in:
- older people
- those with certain underlying health conditions
It occurs most often in winter in the UK and peaks between January and March.
There are 2 types of influenza affecting people:
- influenza A
- influenza B
Influenza B usually causes a milder illness and is most seen in children.
Further information can be found on the NHS website and on the UKHSA website.
Flu vaccination
Flu vaccination is safe and effective. It’s offered every year through the NHS to help protect people at risk of getting seriously ill from flu.
Visit the NHS website to find out more about the flu vaccination for adults
Visit the NHS website to find out more about the flu vaccination for children
For further information:
Catch it, Bin it, Kill it Poster
National infection prevention and control manual for England
Overview | Flu vaccination: increasing uptake | Guidance | NICE
